docs: def addHendrix(self):
          '''
          Instantiates a HendrixService with this object's threadpool.
          It will be added as a service later.
          '''
          self.hendrix = HendrixService(
              self.application,
              threadpool=self.getThreadPool(),
              resources=self.resources,
              services=self.services,
              loud=self.options['loud']
          )
          if self.options["https_only"] is not True:
              self.hendrix.spawn_new_server(self.options['http_port'], HendrixTCPService)